petiolule

American

[pet-ee-uhl-yool, -uh-lool, pet-ee-ol-yool] / ˈpɛt i əlˌyul, -əˌlul, ˌpɛt iˈɒl yul /

noun

Botany.

a small petiole, as of a leaflet in a compound leaf.

petiolule British

/ ˈpiːtɪəʊlˌjuːl /

noun

the stalk of any of the leaflets making up a compound leaf

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

petiolular adjective
petiolulate adjective

Etymology

Origin of petiolule

From the New Latin word petiolulus, dating back to 1825–35. See petiole, -ule

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The latter observer considers that the funiculus, with the integuments, is the equivalent of a leaflet, the petiolule or midrib of which answers to the funiculus, and its hollow expansion to the integument.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023